main{
        text-align: center;
        background-color: rgb(0, 0, 0);
      }
      body{
        background-color: rgb(0, 0, 0);
      }
      button{
        border-radius: 50px;
        padding: 15px 23px;
        font-size: 30px;
        color: white;
        border: none;       
        cursor: pointer;
      }
      .operands
      {
        display: flex;
        flex-wrap: wrap;
        width: 220px;
        gap: 10px;
        button{
          background-color: rgb(47, 47, 47);
        }
      }
      .Parentdiv
      {
        display: inline-flex;
        padding: 30px 30px;
        border: 1px solid rgb(255, 255, 255);
      }
      .operators
      {
        display: flex;
        flex-direction: column;
        gap: 10px;
        button{
          background-color: rgb(249, 159, 3);
        }
      }
      .result{
        display: flex;        
        justify-content: center;
        margin-bottom: 20px;
        font-size: 40px;
        font-family: Verdana, Geneva, Tahoma, sans-serif;
        color: #ffffff;
        display: flex;
        gap: 20px;
      }
      .equals{
        padding: 15px 23px;
      }
      .decimal{
        padding: 15px 28px;
      }
      .clear{
        font-size: 18px;
        padding: 20px 10px;
      }